Commit Graph

664051 Commits

Author SHA1 Message Date
Monk Liu f3972b531d drm/damdgpu:add new mqd member in ring
introduce a new mqd member in ring is for later usage.
we need keep a clean version of MQD for the purpose
of recovering compute rings from hang.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:41 -04:00
Monk Liu ce137c04ff drm/amdgpu:cg & pg shouldn't active on VF device
CG & PG function changes engine clock/gating, which is
not appropriate for VF device, because one vf doesn't know
the whole picture of engine's overall workload.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:40 -04:00
Pixel Ding cbabc8b343 drm/amdgpu: clean framebuffer with GPU
CPU is not efficient to clean framebuffer especially under
virtualization, then loading driver takes long time which causes
timeout of mailbox handshake.

Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:40 -04:00
Monk Liu 9bc92b9c8d drm/amdgpu:fix amdgpu_sa_bo_new error(v2)
ib_pool init should prior to fbdev_init, otherwise
there will be error from amdgpu_sa_bo_new
(amdgpu_sa.c:323)

fbdev_init will call ttm_validate which further call
amdgpu_sa_bo_new.

v2:
move fbdev_init behind ib test.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:39 -04:00
Pixel Ding edcafc0294 drm/amdgpu/virt: skip VM fault handler for VF
VF uses KIQ to access registers. When VM fault occurs, the driver
can't get back the fence of KIQ submission and runs into CPU soft
lockup.

Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:38 -04:00
Pixel Ding 4726214c54 drm/amdgpu/virt: increase mailbox timeout to 5000ms
When multiple VFs try to enter exclusive mode at the same time, the
looping mechansim doesn't help to ensure each can get it because it
only loops active VFs, then the last one has to wait for a long
interval.

Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Xiangliang.Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:38 -04:00
Monk Liu 8fdf269258 drm/amdgpu:fix powerplay logic
1,like pp_hw_init, we shouldn't report error if PP disabled
2,disable pp_en if sriov

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:37 -04:00
Monk Liu 1d7b17b09f drm/amdgpu:fix typo
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29 23:52:36 -04:00
Chris Wilson b33b02707b drm: Peek at the current counter/timestamp for vblank queries
Bypass all the spinlocks and return the last timestamp and counter from
the last vblank if the driver delcares that it is accurate (and stable
across on/off), and the vblank is currently enabled.

This is dependent upon the both the hardware and driver to provide the
proper barriers to facilitate reading our bookkeeping outside of the
vblank interrupt and outside of the explicit vblank locks.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Michel Dänzer <michel@daenzer.net>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Dave Airlie <airlied@redhat.com>,
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170317202030.24410-4-chris@chris-wilson.co.uk
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2017-03-29 14:02:22 +03:00
Chris Wilson 9a4d9babce drm: Refactor vblank sequence number comparison
Move the repeated (a - b) <= (1 << 23) to its own function.

v2: Catch the '1<<23' inside drm_handle_vblank() as well

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Michel Dänzer <michel@daenzer.net>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322100650.26082-1-chris@chris-wilson.co.uk
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2017-03-29 14:00:36 +03:00
Chris Wilson 6c06a59703 drm: vblank cannot be enabled if dev->irq_enabled is false
Since we cannot enable the vblank if !dev->irq_enabled, we assert that
checking for both !vblank->enabled and !dev->irq_enabled is tautological
and only need the former. The only time it may differ is when racing
with drm_irq_uninstall(), but that will then disable the vblank and
wakeup the waiters.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170317202030.24410-2-chris@chris-wilson.co.uk
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2017-03-29 13:56:53 +03:00
Chris Wilson 43dc7fe2b2 drm: Mark up accesses of vblank->enabled outside of its spinlock
Order the update to vblank->enabled after the timestamp is primed so
that a concurrent unlocked reader will only see the vblank->enabled with
the current timestamp.

v2: vblank->enable is guarded by dev->vbl_lock not
dev->vblank_time_lock, update the READ_ONCE accordingly.

Do not add a READ_ONCE(vblank->enabled) inside the interrupt handler to
avoid missing an interrupt whilst racing with enable_vblank()

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170317202030.24410-1-chris@chris-wilson.co.uk
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2017-03-29 13:51:49 +03:00
Chris Wilson 75cff0837c drm: Make the decision to keep vblank irq enabled earlier
We want to provide the vblank irq shadow for pageflip events as well as
vblank queries. Such events are completed within the vblank interrupt
handler, and so the current check for disabling the irq will disable it
from with the same interrupt as the last pageflip event. If we move the
decision on whether to disable the irq (based on there no being no
remaining vblank events, i.e. vblank->refcount == 0) to before we signal
the events, we will only disable the irq on the interrupt after the last
event was signaled. In the normal course of events, this will keep the
vblank irq enabled for the entire flip sequence whereas before it would
flip-flop around every interrupt.

v2: Move the disable_fn() call outside of the vblank_event_lock.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Michel Dänzer <michel@daenzer.net>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Dave Airlie <airlied@redhat.com>,
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> #v1
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170324173058.23051-1-chris@chris-wilson.co.uk
2017-03-29 13:51:26 +03:00
Daniel Vetter 38b6441e4e drm/atomic-helper: Remove the backoff hack from set_config
Another one bites the dust.

Again let's not forget to remove the temporary hidden acquire_ctx
assignment, now that we pass this all around explicitly it can go
away again.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-20-daniel.vetter@ffwll.ch
2017-03-29 09:59:16 +02:00
Daniel Vetter a4eff9aa6d drm: Add acquire ctx parameter to ->set_config
Surprisingly a lot of legacy drivers roll their own, for
runtime pm and because vmwgfx.

Also make nouveau's set_config static while at it.

Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-19-daniel.vetter@ffwll.ch
2017-03-29 09:56:25 +02:00
Daniel Vetter 2ceb585a95 drm: Add explicit acquire ctx handling around ->set_config
Just the groundwork to have something to feed into ->set_config.
Again we need a temporary hack to still fill out the legacy
ctx in mode_config.acquire_ctx.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-18-daniel.vetter@ffwll.ch
2017-03-29 09:56:13 +02:00
Daniel Vetter d49473a53a drm: Restrict drm_mode_set_config_internal to non-atomic drivers
This is another case where we really can't reconstruct a acquire ctx
in any useful fashion because all the callers are legacy drivers. So
like drm_plane_force_disable simply restrict it to non-atomic drivers
so that it's clear we're ok with passing a NULL ctx.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-17-daniel.vetter@ffwll.ch
2017-03-29 09:55:46 +02:00
Daniel Vetter 2c77bb29d3 drm: simplify the locking in the GETCRTC ioctl
No need to grab both plane and crtc locks at the same time, we can do
them one after the other. If userspace races it'll get what it
deserves either way.

This removes another user of drm_modeset_lock_crtc. There's only one
left.

v2: Make sure all access to primary->state is properly protected
(Harry).

Cc: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170328070145.21520-1-daniel.vetter@ffwll.ch
2017-03-29 09:51:02 +02:00
Daniel Vetter 043e7fb6e6 drm/atomic-helper: remove backoff hack from page_flip
Yay, we can now properly retry in case of deadlocks or whatever!

Also don't forget to remove the transitional crtc->acquire_ctx
assignment again.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-13-daniel.vetter@ffwll.ch
2017-03-29 09:50:52 +02:00
Daniel Vetter 41292b1fa1 drm: Add acquire ctx parameter to ->page_flip(_target)
Again just going through the motions, no functional changes in here.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>t
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-12-daniel.vetter@ffwll.ch
2017-03-29 09:50:38 +02:00
Daniel Vetter 29dc0d1de1 drm: Roll out acquire context for the page_flip ioctl
Again just prep work.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-11-daniel.vetter@ffwll.ch
2017-03-29 09:50:07 +02:00
Daniel Vetter d26f96c74d drm/atomic-helper: remove backoff hack from disable/update_plane
We can now properly retry at the top level, yay!

v2: Also remove the temporary acquire_ctx hack again, no longer
needed!

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-6-daniel.vetter@ffwll.ch
2017-03-29 09:15:06 +02:00
Daniel Vetter 1931529448 drm: Add acquire ctx parameter to ->plane_disable
Nouveau had a few direct calls to ->disable_plane, I replaced those
with drm_plane_force_disable. Same story for shmob.

Otherwise no code changes.

Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-5-daniel.vetter@ffwll.ch
2017-03-29 09:14:58 +02:00
Daniel Vetter 5fbef3ee4a drm: drm_plane_force_disable is not for atomic drivers
This way I can explain why it'll be fine to pass a NULL acquire ctx
here in the next patch.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-4-daniel.vetter@ffwll.ch
2017-03-29 09:14:49 +02:00
Daniel Vetter 34a2ab5e06 drm: Add acquire ctx parameter to ->update_plane
Just rolling it out, no code change here.

Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Eric Anholt <eric@anholt.net>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-3-daniel.vetter@ffwll.ch
2017-03-29 09:14:01 +02:00
Daniel Vetter 232e8f703b drm: Wire up proper acquire ctx for plane functions
This is just prep work to get an acquire ctx into every place where we
call ->update_plane or ->disable_plane.

v2: Keep the hidden acquire_ctx pointers valid while transitioning.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-2-daniel.vetter@ffwll.ch
2017-03-29 09:13:44 +02:00
Daniel Vetter f9a769555d drm: document the all the atomic iterators
Mostly because I want the links from the newly-added @state functions
to work. But I think explaining when they're useful and that the
implicit one is deprecated is good either way. Slightly repetitive
unfortunately.

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-3-daniel.vetter@ffwll.ch
2017-03-29 08:34:41 +02:00
Daniel Vetter c9e42b72b4 drm: Document kms locking a bit better
The rules are getting real hard, better to dump my brain into text a
bit. This is by far not complete, but I think I reasonable start at
least.

Some of the older kms structures would need a full doc review anyway
...

Cc: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-2-daniel.vetter@ffwll.ch
2017-03-29 08:34:28 +02:00
Daniel Vetter 75b94cd96f drm/doc: remove standard connector props from the csv file
They're properly documented in drm_connector.c now, and this
csv file is a horrible mess. Better to remove it.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-1-daniel.vetter@ffwll.ch
2017-03-29 08:33:25 +02:00
Zhenyu Wang 8bcad07a45 drm/i915/gvt: fix error return check for copy_gma_to_hva()
From commit 73dec95e6b ("drm/i915: Emit to ringbuffer directly"),
copy_gma_to_hva() now returns copied data length instead of 0, so
need to change error return check for that.

Note: Looks this is caused by backmerge conflict resolving, so
4.11-rc4 is not impacted as commit 73dec95e6b ("drm/i915: Emit to
ringbuffer directly") is not in 4.11. But need to fix this before I
can apply 4.12 stuff against drm-intel-next correctly.

Fixes: e5c1ff1475 ("Backmerge tag 'v4.11-rc4' into drm-next")
Cc: Dave Airlie <airlied@redhat.com>
Cc: Tina Zhang <tina.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-03-29 13:38:01 +10:00
Shashank Sharma 86cc921cb4 drm: Add description for scdc variable
This patch adds description about 'scdc' variable in drm_hdmi_info
structure, to fix this warning during doc-build.

"drm_connector.h:140: warning: No description found for parameter 'scdc'"

V2: Rebase
V3: Added extra *
V4: Removed merged conflict
V5: Removed extra line at start of structure (Daniel)
V6: Make description single line (Daniel)

Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1490684779-21633-1-git-send-email-shashank.sharma@intel.com
2017-03-28 09:58:26 +02:00
Dave Airlie e5c1ff1475 Linux 4.11-rc4
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 =5iRl
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Backmerge tag 'v4.11-rc4' into drm-next

Linux 4.11-rc4

The i915 GVT team need the rc4 code to base some more code on.
2017-03-28 17:34:19 +10:00
Daniel Vetter 99612b2776 drm/tegra: Don't use modeset_lock_crtc
Yes the help text is unhelpful, but atomic drivers should never use
this. Just grab the lock without context or anything.

Also an aside: Checking ->active like this doesn't protect against
nonblocking commits, this is rather bogus.

Cc: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-8-daniel.vetter@ffwll.ch
2017-03-27 17:50:47 +02:00
Gabriel Krisman Bertazi c0411316ab drm: bochs: Prevent double-free of fb helper
If fbdev registration fails for whatever reason, the error path of
bochs_fbdev_init() will call bochs_fbdev_fini(), but since an fbdev
initialization error is not fatal to the probe function, a subsequent
device removal will try to call bochs_fbdev_fini() again, hitting the
Oops below.

This was detected by 0-day with a failing framebuffer registration and
CONFIG_DEBUG_TEST_DRIVER_REMOVE=y.  This reproduces the scenario I
mentioned above at insmod time, because the test attempts to remove the
device right after probing.

root@debian:~# insmod bochs-drm.ko
[   17.609635] [drm] Found bochs VGA, ID 0xb0c0.
[   17.612974] [drm] Framebuffer size 16384 kB @ 0xfa000000, mmio @ 0xfebf2000.
[   17.613938] [TTM] Zone  kernel: Available graphics memory: 1022244 kiB
[   17.614701] [TTM] Initializing pool allocator
[   17.615427] [TTM] Initializing DMA pool allocator
[   17.619143] fbcon: bochsdrmfb (fb0) is primary device
[   17.619428] Console: switching to colour frame buffer device 128x48
[   17.621047] bochs-drm 0000:00:02.0: fb0: bochsdrmfb frame buffer device
[   17.641111] [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0
[   17.642380] general protection fault: 0000 [#1] SMP
[   17.642985] Modules linked in: bochs_drm(+)
[   17.643259] CPU: 4 PID: 3279 Comm: insmod Tainted: G        W       4.11.0-rc1+ #119
[   17.643259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   17.643259] task: ffff88007af35e00 task.stack: ffffc90000d84000
[   17.643259] RIP: 0010:drm_fb_helper_fini+0x8e/0x110
[   17.643259] RSP: 0018:ffffc90000d87ad0 EFLAGS: 00010202
[   17.643259] RAX: dead000000000200 RBX: ffff8800790d5770 RCX: 0000000000000000
[   17.652101] RDX: dead000000000100 RSI: 000000007fffffff RDI: ffffffff81eaf820
[   17.652101] RBP: ffffc90000d87ae0 R08: 0000000000000000 R09: ffff88007271d918
[   17.652101] R10: ffffc90000d87a88 R11: 0000000000000000 R12: 0000000000000000
[   17.652101] R13: ffff8800790d56d0 R14: 0000000000000000 R15: 0000000000000000
[   17.652101] FS:  00007f9285995700(0000) GS:ffff88007cf00000(0000) knlGS:0000000000000000
[   17.652101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.652101] CR2: 0000564f1cf9f1e8 CR3: 0000000079686000 CR4: 00000000000006e0
[   17.652101] Call Trace:
[   17.652101]  bochs_fbdev_fini+0x24/0x90 [bochs_drm]
[   17.652101]  bochs_unload+0x16/0x50 [bochs_drm]
[   17.652101]  drm_dev_unregister+0x37/0xd0
[   17.652101]  drm_put_dev+0x31/0x60
[   17.652101]  bochs_pci_remove+0x10/0x20 [bochs_drm]
[   17.652101]  pci_device_remove+0x34/0xb0
[   17.652101]  driver_probe_device+0xd0/0x370
[   17.652101]  __driver_attach+0x96/0xa0
[   17.652101]  ? driver_probe_device+0x370/0x370
[   17.652101]  bus_for_each_dev+0x5b/0x90
[   17.652101]  driver_attach+0x19/0x20
[   17.652101]  bus_add_driver+0x11c/0x220
[   17.652101]  driver_register+0x5b/0xd0
[   17.652101]  ? 0xffffffffa0006000
[   17.652101]  __pci_register_driver+0x47/0x50
[   17.652101]  drm_pci_init+0xe1/0xf0
[   17.652101]  ? 0xffffffffa0006000
[   17.652101]  bochs_init+0x3c/0x1000 [bochs_drm]
[   17.652101]  do_one_initcall+0x3e/0x180
[   17.652101]  ? kmem_cache_alloc_trace+0x33/0x150
[   17.652101]  do_init_module+0x5a/0x1eb
[   17.652101]  load_module+0x1ea0/0x2650
[   17.652101]  ? __symbol_put+0x40/0x40
[   17.652101]  ? kernel_read_file+0x19e/0x1c0
[   17.652101]  ? kernel_read_file_from_fd+0x44/0x70
[   17.652101]  SYSC_finit_module+0xba/0xc0
[   17.652101]  SyS_finit_module+0x9/0x10
[   17.652101]  entry_SYSCALL_64_fastpath+0x1a/0xa9
[   17.652101] RIP: 0033:0x7f92854da119
[   17.652101] RSP: 002b:00007ffcd0390498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.652101] RAX: ffffffffffffffda RBX: 00007f928578eb58 RCX: 00007f92854da119
[   17.652101] RDX: 0000000000000000 RSI: 0000564f1c8bd638 RDI: 0000000000000003
[   17.652101] RBP: 000000000000270e R08: 0000000000000000 R09: 00007f9285790ea0
[   17.652101] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f928578eb58
[   17.652101] R13: 0000000000001020 R14: 0000564f1cf9e1c0 R15: 00007f928578eb00
[   17.652101] Code: c7 20 f8 ea 81 e8 b3 3e 50 00 48 8b 83 d0 00 00 00 48 8d 93 d0 00 00 00 48 39 c2 74 46 48 8b 83 d8 00 00 00 48 8b 93 d0 00 00 00 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 0000 ad de 48 89 83 d0
[   17.652101] RIP: drm_fb_helper_fini+0x8e/0x110 RSP: ffffc90000d87ad0
[   17.653331] ---[ end trace 542fd75a2e60a6a4 ]---

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170324045444.11912-1-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-27 10:34:52 +02:00
Daniel Vetter 18dddadc78 drm/atomic: Introduce drm_atomic_helper_shutdown
The trouble here is that it does multiple atomic commits under one
drm_modeset_lock_all, which breaks the behind-the-scenes acquire
context magic that function pulls off. It's much better to have one
overall atomic commit. That we still have multiple atomic commits
prevents us from adding some pretty useful debug checks to the atomic
machinery.

Hence it is really a bad idea to call the legacy
drm_crtc_force_disable_all() function. There's 2 atomic drivers using
this still, nouveau and tinydrm. To fix this, introduce a new
drm_atomic_helper_shutdown() by extracting the code from i915.

While at it improve kernel-doc and catch future offenders by
sprinkling a WARN_ON into the legacy function. We should probably move
those into the legacy modeset helpers, too ...

v2: Make it compile on arm drivers too (Noralf).

v3: Correct kerneldoc to point at _disable_all().

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170321164149.31531-1-daniel.vetter@ffwll.ch
2017-03-27 09:43:58 +02:00
Noralf Trønnes 79b85d2b7e drm/tinydrm: Fix drm_driver.fops.owner
drm_driver.fops can't be shared since the owner then becomes tinydrm.ko.
Move the fops declaration to the driver.

v2: Use DEFINE_DRM_GEM_CMA_FOPS

Reported-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170326142529.16938-1-noralf@tronnes.org
2017-03-27 08:41:35 +02:00
Romain Perier 187697a454 drm: dw_hdmi: Don't rely on the status of the bridge for updating HPD
Currently, the irq handler that monitors changes for HPD and RX_SENSE
relies on the status of the bridge for updating the status of the HPD.
The update is done only when the bridge is enabled.

However, on Rockchip platforms we have found use cases where it could be
a problem. When HDMI is being used, turning off/on the screen or
unplugging/re-plugging the cable, the following simplified code path
will happen:

- dw_hdmi_irq() will be triggered by an HPD event, as the bridge is on
hdmi->disabled is false, then the handler will update the rxsense flag
accordingly.
- dw_hdmi_update_power() will be invoked with the mode
DRM_FORCE_UNSPECIFIED and rxsense == 1, so dw_hdmi_poweroff() will be
called and the PHY will be desactivated (its pixel clocks and TMDS)

[...]

- dw_hdmi_bridge_disable() will be invoked, the bridge will be marked as
disabled.

- dw_hdmi_irq() will be triggered by an HPD event, as the bridge is
currently disabled the HPD status won't be updated, so hdmi->rxsense
won't be changed. Even if the data part of the PHY is disabled, this
information coming from the HDMI Transmitter is correct and should be
saved.

[...]

- dw_hdmi_bridge_enable() will be invoked, the bridge will be marked as
enabled.
- dw_hdmi_update_power() will be called. When hdmi->force is equal to
DRM_FORCE_UNSPECIFIED the function will rely on hdmi->rxsense. If this
field has not been updated by the irq handler, it will be false and
DRM_FORCE_ON won't be put to hdmi->force.

Consequently, most of the time dw_hdmi_poweron() won't be called in this
use case, TMDS won't be re-enabled the PHY won't be re-initialized,
resulting in a "Signal not found".

This commit fixes the issue by removing the check for "!hdmi->disabled".
As already explained, even if the PHY is partially disabled, information
coming from HDMI Transmitter about HPD should be saved for a later use.

Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/143602/
2017-03-27 11:50:48 +05:30
Linus Torvalds c02ed2e75e Linux 4.11-rc4 2017-03-26 14:15:16 -07:00
Linus Torvalds 0dc82fa59b Char/Misc driver fixes for 4.11-rc4
A smattering of different small fixes for some random driver subsystems.
 Nothing all that major, just resolutions for reported issues and bugs.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "A smattering of different small fixes for some random driver
  subsystems. Nothing all that major, just resolutions for reported
  issues and bugs.

  All have been in linux-next with no reported issues"

* tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  extcon: int3496: Set the id pin to direction-input if necessary
  extcon: int3496: Use gpiod_get instead of gpiod_get_index
  extcon: int3496: Add dependency on X86 as it's Intel specific
  extcon: int3496: Add GPIO ACPI mapping table
  extcon: int3496: Rename GPIO pins in accordance with binding
  vmw_vmci: handle the return value from pci_alloc_irq_vectors correctly
  ppdev: fix registering same device name
  parport: fix attempt to write duplicate procfiles
  auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd_matches
  Drivers: hv: vmbus: Don't leak memory when a channel is rescinded
  Drivers: hv: vmbus: Don't leak channel ids
  Drivers: hv: util: don't forget to init host_ts.lock
  Drivers: hv: util: move waiting for release to hv_utils_transport itself
  vmbus: remove hv_event_tasklet_disable/enable
  vmbus: use rcu for per-cpu channel list
  mei: don't wait for os version message reply
  mei: fix deadlock on mei reset
  intel_th: pci: Add Gemini Lake support
  intel_th: pci: Add Denverton SOC support
  intel_th: Don't leak module refcount on failure to activate
  ...
2017-03-26 11:15:54 -07:00
Linus Torvalds 9e54ef9da5 driver core fix for 4.11-rc4
Here is a single kernfs fix for 4.11-rc4 that resolves a reported issue.
 
 It has been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fix from Greg KH:
 "Here is a single kernfs fix for 4.11-rc4 that resolves a reported
  issue.

  It has been in linux-next with no reported issues"

* tag 'driver-core-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  kernfs: Check KERNFS_HAS_RELEASE before calling kernfs_release_file()
2017-03-26 11:05:42 -07:00
Linus Torvalds f1638fc65e TTY/Serial driver fixes for 4.11-rc4
Here are some tty and serial driver fixes for 4.11-rc4.  One of these
 fix a long-standing issue in the ldisc code that was found by Dmitry
 Vyukov with his great fuzzing work.  The other fixes resolve other
 reported issues, and there is one revert of a patch in 4.11-rc1 that
 wasn't correct.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are some tty and serial driver fixes for 4.11-rc4.

  One of these fix a long-standing issue in the ldisc code that was
  found by Dmitry Vyukov with his great fuzzing work. The other fixes
  resolve other reported issues, and there is one revert of a patch in
  4.11-rc1 that wasn't correct.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: fix data race in tty_ldisc_ref_wait()
  tty: don't panic on OOM in tty_set_ldisc()
  Revert "tty: serial: pl011: add ttyAMA for matching pl011 console"
  tty: acpi/spcr: QDF2400 E44 checks for wrong OEM revision
  serial: 8250_dw: Fix breakage when HAVE_CLK=n
  serial: 8250_dw: Honor clk_round_rate errors in dw8250_set_termios
2017-03-26 11:03:42 -07:00
Linus Torvalds 53b4d5911d IIO fixes for 4.11-rc4
Here are some small IIO driver fixes for 4.11-rc4 that resolve a number
 of tiny reported issues.  All of these have been in linux-next for a
 while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull IIO driver fixes from Greg KH:
 "Here are some small IIO driver fixes for 4.11-rc4 that resolve a
  number of tiny reported issues. All of these have been in linux-next
  for a while with no reported issues"

* tag 'staging-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  iio: imu: st_lsm6dsx: fix FIFO_CTRL2 overwrite during watermark configuration
  iio: adc: ti_am335x_adc: fix fifo overrun recovery
  iio: sw-device: Fix config group initialization
  iio: magnetometer: ak8974: remove incorrect __exit markups
  iio: hid-sensor-trigger: Change get poll value function order to avoid sensor properties losing after resume from S3
2017-03-26 11:02:00 -07:00
Linus Torvalds e431e0e427 USB/PHY fixes for 4.11-rc4
Here are a number of small USB and PHY driver fixes for 4.11-rc4.
 Nothing major here, just an bunch of small fixes, and a handfull of good
 fixes from Johan for devices with crazy descriptors.  There are a few
 new device ids in here as well.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY fixes from Greg KH:
 "Here are a number of small USB and PHY driver fixes for 4.11-rc4.

  Nothing major here, just an bunch of small fixes, and a handfull of
  good fixes from Johan for devices with crazy descriptors. There are a
  few new device ids in here as well.

  All of these have been in linux-next with no reported issues"

* tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
  usb: gadget: f_hid: fix: Don't access hidg->req without spinlock held
  usb: gadget: udc: remove pointer dereference after free
  usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed
  usb: gadget: f_uvc: Fix SuperSpeed companion descriptor's wBytesPerInterval
  usb: gadget: acm: fix endianness in notifications
  usb: dwc3: gadget: delay unmap of bounced requests
  USB: serial: qcserial: add Dell DW5811e
  usb: hub: Fix crash after failure to read BOS descriptor
  ACM gadget: fix endianness in notifications
  USB: usbtmc: fix probe error path
  USB: usbtmc: add missing endpoint sanity check
  USB: serial: option: add Quectel UC15, UC20, EC21, and EC25 modems
  usb: musb: fix possible spinlock deadlock
  usb: musb: dsps: fix iounmap in error and exit paths
  usb: musb: cppi41: don't check early-TX-interrupt for Isoch transfer
  usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk
  uwb: i1480-dfu: fix NULL-deref at probe
  uwb: hwa-rc: fix NULL-deref at probe
  USB: wusbcore: fix NULL-deref at probe
  USB: uss720: fix NULL-deref at probe
  ...
2017-03-26 10:52:52 -07:00
Linus Torvalds 42234bf832 powerpc fixes for 4.11 #6
- cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
  - powerpc/64s: Fix idle wakeup potential to clobber registers
  - Revert "powerpc/64: Disable use of radix under a hypervisor"
  - gcc-plugins: update architecture list in documentation
 
 Thanks to:
   Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav Jain.
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Merge tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc fixes from Michael Ellerman:
 "These are all pretty minor. The fix for idle wakeup would be a bad bug
  but has not been observed in practice.

  The update to the gcc-plugins docs was Cc'ed to Kees and Jon, Kees
  OK'ed it going via powerpc and I didn't hear from Jon.

   - cxl: Route eeh events to all slices for pci_channel_io_perm_failure state

   - powerpc/64s: Fix idle wakeup potential to clobber registers

   - Revert "powerpc/64: Disable use of radix under a hypervisor"

   - gcc-plugins: update architecture list in documentation

  Thanks to: Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav
  Jain"

* tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  gcc-plugins: update architecture list in documentation
  Revert "powerpc/64: Disable use of radix under a hypervisor"
  powerpc/64s: Fix idle wakeup potential to clobber registers
  cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
2017-03-26 10:34:10 -07:00
Linus Torvalds 1c23de6308 Fix a memory leak on an error path, and two races when modifying
inodes relating to the inline_data and metadata checksum features.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Fix a memory leak on an error path, and two races when modifying
  inodes relating to the inline_data and metadata checksum features"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix two spelling nits
  ext4: lock the xattr block before checksuming it
  jbd2: don't leak memory if setting up journal fails
  ext4: mark inode dirty after converting inline directory
2017-03-26 10:29:21 -07:00
Linus Torvalds a643f9054c A code cleanup and bugfix for fs/crypto.
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Merge tag 'fscrypt-for-linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt

Pull fscrypto fixes from Ted Ts'o:
 "A code cleanup and bugfix for fs/crypto"

* tag 'fscrypt-for-linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
  fscrypt: eliminate ->prepare_context() operation
  fscrypt: remove broken support for detecting keyring key revocation
2017-03-25 15:36:56 -07:00
Linus Torvalds a00da40fc7 hwmon fixes for v4.11-rc4
Bug fixes in asus_atk0110, it87 and max31790 drivers.
 Added missing API definition to hwmon core.
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Merge tag 'hwmon-for-linus-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - bug fixes in asus_atk0110, it87 and max31790 drivers

 - added missing API definition to hwmon core

* tag 'hwmon-for-linus-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (asus_atk0110) fix uninitialized data access
  hwmon: Add missing HWMON_T_ALARM
  hwmon: (it87) Avoid registering the same chip on both SIO addresses
  hwmon: (max31790) Set correct PWM value
2017-03-25 15:31:50 -07:00
Linus Torvalds 4a01fa5e75 Fixups for -rc4 kernel
- Fix for dma_ops change in this kernel, resolving the s390, powerpc,
   and IOMMU operation
 - A few other oops fixes
 - The rest are all minor fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 "This has been a slow -rc cycle for the RDMA subsystem. We really
  haven't had a lot of rc fixes come in. This pull request is the first
  of this entire rc cycle and it has all of the suitable fixes so far
  and it's still only about 20 patches. The fix for the minor breakage
  cause by the dma mapping patchset is in here, as well as a couple
  other potential oops fixes, but the rest is more minor.

  Summary:

   - fix for dma_ops change in this kernel, resolving the s390, powerpc,
     and IOMMU operation

   - a few other oops fixes

   - the rest are all minor fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/qib: fix false-postive maybe-uninitialized warning
  RDMA/iser: Fix possible mr leak on device removal event
  IB/device: Convert ib-comp-wq to be CPU-bound
  IB/cq: Don't process more than the given budget
  IB/rxe: increment msn only when completing a request
  uapi: fix rdma/mlx5-abi.h userspace compilation errors
  IB/core: Restore I/O MMU, s390 and powerpc support
  IB/rxe: Update documentation link
  RDMA/ocrdma: fix a type issue in ocrdma_put_pd_num()
  IB/rxe: double free on error
  RDMA/vmw_pvrdma: Activate device on ethernet link up
  RDMA/vmw_pvrdma: Dont hardcode QP header page
  RDMA/vmw_pvrdma: Cleanup unused variables
  infiniband: Fix alignment of mmap cookies to support VIPT caching
  IB/core: Protect against self-requeue of a cq work item
  i40iw: Receive netdev events post INET_NOTIFIER state
2017-03-25 15:25:58 -07:00
Linus Torvalds 4c3de7e5bf Merge branch 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit
Pull audit fix from Paul Moore:
 "We've got an audit fix, and unfortunately it is big.

  While I'm not excited that we need to be sending you something this
  large during the -rcX phase, it does fix some very real, and very
  tangled, problems relating to locking, backlog queues, and the audit
  daemon connection.

  This code has passed our testsuite without problem and it has held up
  to my ad-hoc stress tests (arguably better than the existing code),
  please consider pulling this as fix for the next v4.11-rcX tag"

* 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit:
  audit: fix auditd/kernel connection state tracking
2017-03-25 15:13:55 -07:00
Daniel Vetter f19aee7f27 drm/vblank: Remove DRM_VBLANKTIME_IN_VBLANK
The core code doesn't care at all about this, it's entirely dead.

Cc: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-11-daniel.vetter@ffwll.ch
2017-03-25 22:41:32 +01:00